The Seal,plain Encased, cataloged under National Stock Number 5330-00-359-4361, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-359-4361 |
| Primary Part Number | 122558 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Seal Width | 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 1.752 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN |
| Accommodated Shaft Maximum Rated Speed | 1000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 0.779 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN |
| Material | STEEL CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 122558 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 5850G1013 | 5/9 Secondary reference Yale Security Inc. Dba Norton Door Control |
| 855743 | 5/9 Secondary reference Dana Off Highway Products, Llc |
| 585K14 | 5/9 Secondary reference Yale Security Inc. Dba Norton Door Control |
| 855523 | 5/9 Secondary reference Dana Off Highway Products, Llc |
| 9F836 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 5850G1013 | 5/9 Secondary reference U.S. Government activity |
| 855743 | 5/9 Secondary reference Clark Equipment Co |
| 855523 | 5/9 Secondary reference Clark Equipment Co |
NSN 5330-00-359-4361 is a Seal,plain Encased, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-359-4361 has 1 manufacturer part number on file: 122558 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 3110-00-991-0940. Verify interchangeability with system specifications before substitution.
Key specifications for 122558: Seal Width: 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 1.752 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN; Accommodated Shaft Maximum Rated Speed: 1000 FEET PER MINUTE FT. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.